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Classmates' effects on black student achievement in public school classrooms
Link, Charles R.; Mulligan, James G. - In: Economics of Education Review 10 (1991) 4, pp. 297-310
Persistent link: https://www.econbiz.de/10005502725
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The merits of a longer school day
Link, Charles R.; Mulligan, James G. - In: Economics of Education Review 5 (1986) 4, pp. 373-381
Persistent link: https://www.econbiz.de/10005363695